Backflow Prevention Assembly Tester
Backsiphonage - ANS-A backflow condition in which the pressure in the distribution
system is less than atmospheric pressure (subatmospheric)
Auxiliary Supply (Reclaimed Water) - ANS-Any water source or system, other than the
potable water supply, that may be available in the building or premise.
Internal Protection - ANS-The backflow device at the point of use
How much does 1 cubic foot of water weigh - ANS-62.4 pounds
How much does one gallon of water weigh - ANS-8.3 pounds
An RP is not required at the service connection of - ANS-A single family dwelling
A perfect vacuum a see level will raise the water level in a pipe a maximum of -
ANS-33.9 feet
A mixture of air and gas is considered to become hazardous when it exceeds ___ of the
lower explosive limit - ANS-10%
Vacumm - ANS-Any pressure less than that exerted by the atmosphere
Backpressure & Backsiphonage - ANS-Backflow occurs because of what two things
maximum distance that an absolute vacuum breaker at sea level will lift a column of
water is - ANS-33.9 feet
This amount of absolute pressure could cause backsiphonage to occur in a hydraulic
system - ANS-10.5 psia
When testing DC and the #2 check valve is leaking you must - ANS-Repair the #2
check
Each check valve on a DC is designed to hold - ANS-1.0 psid
Maximum absolute pressure loss for a DC is - ANS-10 psi
Backsiphonage - ANS-A backflow condition in which the pressure in the distribution
system is less than atmospheric pressure (subatmospheric)
Auxiliary Supply (Reclaimed Water) - ANS-Any water source or system, other than the
potable water supply, that may be available in the building or premise.
Internal Protection - ANS-The backflow device at the point of use
How much does 1 cubic foot of water weigh - ANS-62.4 pounds
How much does one gallon of water weigh - ANS-8.3 pounds
An RP is not required at the service connection of - ANS-A single family dwelling
A perfect vacuum a see level will raise the water level in a pipe a maximum of -
ANS-33.9 feet
A mixture of air and gas is considered to become hazardous when it exceeds ___ of the
lower explosive limit - ANS-10%
Vacumm - ANS-Any pressure less than that exerted by the atmosphere
Backpressure & Backsiphonage - ANS-Backflow occurs because of what two things
maximum distance that an absolute vacuum breaker at sea level will lift a column of
water is - ANS-33.9 feet
This amount of absolute pressure could cause backsiphonage to occur in a hydraulic
system - ANS-10.5 psia
When testing DC and the #2 check valve is leaking you must - ANS-Repair the #2
check
Each check valve on a DC is designed to hold - ANS-1.0 psid
Maximum absolute pressure loss for a DC is - ANS-10 psi
